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Cheap flights from Philadelphia to Saint Croix from $241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Saint Croix departing on 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Saint Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:12 pm - 1:05 pm
PHL
-
STX
18h 53m
1 stop
Spirit Airlines Logo
2:00 pm - 5:06 pm
STX
-
PHL
27h 06m
1 stop
$295Spirit Airlines
Thu, May 7 - Mon, May 11
Spirit Airlines Logo
6:12 pm - 4:56 pm
PHL
-
STX
22h 44m
1 stop
Spirit Airlines Logo
5:51 pm - 9:49 am
STX
-
PHL
15h 58m
1 stop
$311Spirit Airlines
Wed, Apr 22 - Thu, Apr 30
Spirit Airlines Logo
5:45 am - 1:05 pm
PHL
-
STX
7h 20m
1 stop
Spirit Airlines Logo
2:00 pm - 5:06 pm
STX
-
PHL
27h 06m
1 stop
$324Spirit Airlines
Fri, May 8 - Mon, May 11
Spirit Airlines Logo
11:36 am - 1:05 pm
PHL
-
STX
25h 29m
2 stops
Spirit Airlines Logo
2:00 pm - 5:06 pm
STX
-
PHL
27h 06m
1 stop
$325Spirit Airlines
Thu, May 7 - Mon, May 11
Spirit Airlines Logo
6:12 pm - 1:05 pm
PHL
-
STX
18h 53m
1 stop
Spirit Airlines Logo
2:00 pm - 5:06 pm
STX
-
PHL
27h 06m
1 stop
$329Spirit Airlines
Thu, May 7 - Mon, May 11
Spirit Airlines Logo
5:45 am - 1:05 pm
PHL
-
STX
7h 20m
1 stop
Spirit Airlines Logo
2:00 pm - 9:49 am
STX
-
PHL
19h 49m
1 stop
$346Spirit Airlines
Sun, May 17 - Thu, May 21
Spirit Airlines Logo
5:45 am - 1:05 pm
PHL
-
STX
7h 20m
1 stop
Spirit Airlines Logo
2:00 pm - 5:06 pm
STX
-
PHL
27h 06m
1 stop
$358Spirit Airlines
Thu, May 21 - Mon, May 25
Spirit Airlines Logo
11:36 am - 1:05 pm
PHL
-
STX
25h 29m
2 stops
Spirit Airlines Logo
2:00 pm - 5:06 pm
STX
-
PHL
27h 06m
1 stop
$359Spirit Airlines
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
5:45 am - 3:32 pm
PHL
-
STX
9h 47m
1 stop
Multiple Airlines Logo
4:27 pm - 12:44 am
STX
-
PHL
8h 17m
1 stop
$365Multiple Airlines
Thu, Jul 2 - Thu, Jul 9
Spirit Airlines Logo
6:12 pm - 4:56 pm
PHL
-
STX
22h 44m
1 stop
Spirit Airlines Logo
5:51 pm - 7:57 pm
STX
-
PHL
26h 06m
2 stops
$367Spirit Airlines
Wed, Apr 22 - Thu, Apr 30

JetBlue flights from Philadelphia to Saint Croix

Our best JetBlue deals on Philadelphia to Saint Croix flight tickets
JetBlue
Apr 21
PHL12:00 pmPhiladelphia
25h 44m
1 stop
STX1:44 pmChristiansted Henry Rohlsen
Apr 29
STX2:39 pmChristiansted Henry Rohlsen
20h 30m
1 stop
PHL11:09 amPhiladelphia
$380
JetBlue
Apr 20
PHL12:00 pmPhiladelphia
25h 44m
1 stop
STX1:44 pmChristiansted Henry Rohlsen
Apr 27
STX2:39 pmChristiansted Henry Rohlsen
20h 30m
1 stop
PHL11:09 amPhiladelphia
$426
JetBlue
Apr 21
PHL12:00 pmPhiladelphia
25h 44m
1 stop
STX1:44 pmChristiansted Henry Rohlsen
Apr 29
STX2:39 pmChristiansted Henry Rohlsen
8h 08m
2 stops
PHL10:47 pmPhiladelphia
$438

American Airlines flights from Philadelphia to Saint Croix

Our best American Airlines deals on Philadelphia to Saint Croix flight tickets
American Airlines
May 11
PHL10:00 pmPhiladelphia
15h 15m
1 stop
STX1:15 pmChristiansted Henry Rohlsen
May 15
STX5:14 pmChristiansted Henry Rohlsen
16h 47m
1 stop
PHL10:01 amPhiladelphia
$476
American Airlines
Jul 3
PHL7:20 amPhiladelphia
13h 29m
2 stops
STX8:49 pmChristiansted Henry Rohlsen
Jul 8
STX3:50 pmChristiansted Henry Rohlsen
17h 48m
1 stop
PHL9:38 amPhiladelphia
$480
American Airlines
Apr 24
PHL8:21 amPhiladelphia
7h 52m
1 stop
STX4:13 pmChristiansted Henry Rohlsen
Apr 30
STX2:05 pmChristiansted Henry Rohlsen
8h 39m
1 stop
PHL10:44 pmPhiladelphia
$496

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Saint Croix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 27, 2026.
Use the filters below to find and compare flights from Philadelphia to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Thu 5/7

6:12 pm-1:05 pm

1 stop18h 53m

Christiansted Henry Rohlsen

Mon 5/11

2:00 pm-5:06 pm

1 stop27h 06m

$295

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Wed 4/22

6:12 pm-4:56 pm

1 stop22h 44m

Christiansted Henry Rohlsen

Thu 4/30

5:51 pm-9:49 am

1 stop15h 58m

$311

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Fri 5/8

5:45 am-1:05 pm

1 stop7h 20m

Christiansted Henry Rohlsen

Mon 5/11

2:00 pm-5:06 pm

1 stop27h 06m

$324

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Thu 5/7

11:36 am-1:05 pm

2 stops25h 29m

Christiansted Henry Rohlsen

Mon 5/11

2:00 pm-5:06 pm

1 stop27h 06m

$325

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Thu 5/7

6:12 pm-1:05 pm

1 stop18h 53m

Christiansted Henry Rohlsen

Mon 5/11

2:00 pm-5:06 pm

1 stop27h 06m

$329

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Sun 5/17

5:45 am-1:05 pm

1 stop7h 20m

Christiansted Henry Rohlsen

Thu 5/21

2:00 pm-9:49 am

1 stop19h 49m

$346

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Thu 5/21

5:45 am-1:05 pm

1 stop7h 20m

Christiansted Henry Rohlsen

Mon 5/25

2:00 pm-5:06 pm

1 stop27h 06m

$358

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Thu 5/7

11:36 am-1:05 pm

2 stops25h 29m

Christiansted Henry Rohlsen

Mon 5/11

2:00 pm-5:06 pm

1 stop27h 06m

$359
Quickest round-trip

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Thu 7/2

5:45 am-3:32 pm

1 stop9h 47m

Christiansted Henry Rohlsen

Thu 7/9

4:27 pm-12:44 am

1 stop8h 17m

$365

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Wed 4/22

6:12 pm-4:56 pm

1 stop22h 44m

Christiansted Henry Rohlsen

Thu 4/30

5:51 pm-7:57 pm

2 stops26h 06m

$367

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Croix from

How to get the cheapest flight ticket from Philadelphia to Saint Croix

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Philadelphia to Saint Croix?

JetBlue, American Airlines, and Spirit Airlines are the most popular carriers operating from Philadelphia to Saint Croix

What airlines fly to Saint Croix?

American Airlines, JetBlue and Spirit Airlines are the top three most popular airlines that fly to Saint Croix from Philadelphia according to our data. American Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Saint Croix. Keep in mind that there are 5 different airlines that fly to Saint Croix on a routine basis, so you have a few additional options to choose from.

Cheap Philadelphia to Saint Croix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Saint Croix

Fastest flight time

6h 14m

Direct flights

None
The fastest flight from Philadelphia to Saint Croix takes 6h 14m
There are no direct flights from Philadelphia to Saint Croix. There are no popular flight routes from Philadelphia to Saint Croix.
Search flight deals

  • When did momondo last update prices for flights from Philadelphia Airport to Saint Croix?

    Prices for flights from Philadelphia Airport to Saint Croix are refreshed on a daily basis.

  • How many operators does momondo search for flights from Philadelphia Airport to Saint Croix?

  • How old do you have to be to fly from Philadelphia Airport to Saint Croix?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Saint Croix.

  • What documentation or ID do you need to fly to Saint Croix?

    The travel and health documents you'll need for your trip to Saint Croix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Croix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Philadelphia to Saint Croix

Compare and see reviews for airlines that fly from Philadelphia to Saint Croix with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $173Free CancellationRating
5.7
3,013 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $179Free CancellationRating
6.3
8,550 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $404Free CancellationRating
7.1
11,509 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Saint Croix?

Finding the right flight to Saint Croix from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Croix quick and easy, saving you time and money.

Can I find flights from Philadelphia to Saint Croix with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Croix from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Saint Croix?

Once you have performed a search for Philadelphia to Saint Croix flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Saint Croix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Saint Croix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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